Hi please answer in simple words, Im still learning and don't really understand large vocab

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)

Mengapakah wujudnya perbezaan tanggapan terhadap sumber?

The fact that similar fossils are found on both sides of the ocean is evidence of: a. global positioning. b. magnetic reversal. c. continental drift. d. oceanic drifts. select the best answer from the choices provided a b c d